Which outcome changes the texture of topsoil when earthworms accelerate decomposition?

💡 Explanation

Bioturbation by earthworms accelerates organic breakdown and soil mixing, thus leading to a more homogenized particle distribution in the topsoil due to physical reworking by ingestion; therefore this answer rather than option B which involves mineral alteration.

• Which material loss occurs when dust abrasion forms ventifacts?
• Which phenomenon causes deflection apparent along trade routes?
• Which horizon thinning occurs when heavy rainfall increases?
• Which outcome commonly results from prolonged aeolian abrasion?
• Which outcome increases vulnerability to sinkhole formation when excessive groundwater usage compacts aquifers beneath karst landscapes?
• Which outcome occurs when wind speed falls below the threshold needed to transport sand grains in a dune landscape?